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6. Fan driving voltage adjustments
Equipment
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group
No.
TP7611 (Fan-A)
140-
0
TP7611 (Fan-A)
140-
1
TP2641 (Fan-C)
140-
2
TP2641 (Fan-C)
140-
3
TP7613 (Fan-B)
140-
4
TP7613 (Fan-B)
140-
5
7. Video center DC adjustments
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group
No.
TP2526 (G-DC)
200-
0
TP2536 (R-DC)
200-
1
TP2516 (B-DC)
200-
2
8. PSIG signal adjustments
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each item for below values with the Volume + and - buttons.
Connection
Group
No.
Adjustment part
200-
3
TP2561
Amplitude-A in a figure
200-
4
TP2561
Amplitude-B in a figure
A
Digital voltmeter.
Adjustment or adjustment value.
9.0± 0.1VDC
13.5± 0.1VDC
9.0± 0.1VDC
13.5± 0.1VDC
9.0± 0.1VDC
13.5± 0.1VDC
Digital voltmeter.
Computer.
16 step gray scale signal.
Adjustment or adjustment value.
7.4 ± 0.1VDC
7.4 ± 0.1VDC
7.4 ± 0.1VDC
Oscilloscope.
Computer.
16 step gray scale signal
.
Adjustment or adjustment value.
. 3.8 ± 0.1Vp-p
10.0 ± 0.1Vp-p
B
9. Pedestal level adjustments -PC
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust the pedestal level and black level in same level with the Volume + and - but-
tons.
However, the amplitude-A in a figure must not shrink.
Group
No.
Connection
TP2526 (Green pedestal level adjustment)
200-
5
TP2536 (Red pedestal level adjustment)
200-
6
TP2516 (Blue pedestal level adjustment)
200-
7
A
10. Contrast adjustments-PC
Equipment
Input mode
Input signal
Set the image to "Service mode."
Adjust each test point value part-A in a figure minimum amplitude with the Volume
+ and - buttons.
Group
No.
Connection
TP2526 (Green contrast adjustment)
200-
8
TP2536 (Red contrast adjustment)
200-
9
TP2516 (Blue contrast adjustment)
200-
10
V
A
-40-
Oscilloscope.
Computer.
16 step gray scale signal
Pedestal
Level
Black Level
Oscilloscope.
Computer.
16 step gray scale signal
Pedestal
Level
Black Level
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